최신TIA Convergent Network Technologies - CCNT무료샘플문제

A. Increasing the trunk duty cycle decreases bandwidth consumption.

B. Increasing the trunk duty cycle decreases network jitter.

C. All of the above.

D. Increasing the trunk duty cycle improves echo cancellation.

A. PC phones, IP phones, and Ethernet hubs, switches and routers.

B. PC phones.

C. IP phones.

D. PC phones and IP phones.

A. All messages relating to a given call will use the same signaling links.

B. Signaling links are usually 56- or 64-kbps dedicated circuits.

C. Signaling links have no provision for failure in the network.

D. Signaling links are considered in-band signaling.

A. Transistor, computers, and fiber optics

B. Satellite and submarine technology

C. Cell and PCS phones, and the Web browser

D. Computers and communications

A. A server on a LAN, dedicated to communications

B. A server on a WAN, dedicated to file sharing

C. A server on a LAN, dedicated to file sharing

D. A server on a WAN, dedicated to communications

A. An interexchange carrier.

B. A competitive local exchange carrier.

C. An integrated communications provider.

D. An Internet service provider.

A. Audio transmissions

B. Video transmissions

C. Data transmissions

D. All of the above

A. Carry information about the packets to the receiving modem.

B. Establish the bps rate for the transmission.

C. Carry the transmission over the network.

D. Alter the frequency, amplitude, and/or phase of the transmitted signals.

A. LANs.

B. Linked network/management domains.

C. Protocol stack.

D. Subnetwork domains.

A. Topology

B. Access method

C. Protocol

D. Interconnect

A. Digital and analog technologies

B. Digital radio

C. Copper loop access plant

D. Fiber optic cable